CEPT T R 22-04 E-1991 Harmonisation of Frequency Bands for Road Transport Information Systems (RTI) (Lisbon 1991)《公路运输信息系统(RTI)频率协调 里斯本1991年》.pdf
《CEPT T R 22-04 E-1991 Harmonisation of Frequency Bands for Road Transport Information Systems (RTI) (Lisbon 1991)《公路运输信息系统(RTI)频率协调 里斯本1991年》.pdf》由会员分享,可在线阅读,更多相关《CEPT T R 22-04 E-1991 Harmonisation of Frequency Bands for Road Transport Information Systems (RTI) (Lisbon 1991)《公路运输信息系统(RTI)频率协调 里斯本1991年》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、STDoCEPT T/R 22-04 E-ENGL 1991 m 232b414 0014647 058 m Tl 2244 E Page: 1 Distribuon: B Recommendation T/R 22-04 (Lisbon 1991) HARMONISATION OF FREQUENCY BANDS FOR ROAD TRANSPORT INFORMATION SYSTEMS (RTI) Recommendation proposed by the ?Frequency Management? Working Group T/WG 18 (FM) Text of the Rec
2、ommendation adopted by the ?European Radiocommunications Committee? (ERC): ?The Emopean Conference of Postal and Telecommunications Administrations, considering that a) within Europe there is increasing interest m the development of a fully Integrated Road Transport Environment to improve all aspect
3、s of road transport, b) many of the proposals require reliable communications links for various road traffic information applications, c) these links may use infia-red or radio-based technology, d) radio-based systems will require harmonised frequency bands. Including: - a fiequency band in the rang
4、e 1-10 GHz for initial road-to-vehicle systems - a millimetric band for high data rate vehicle-to-vehicle systems - a millimetric band for vehicular radar systems, noting that 1. with careful design, RTI systems would be capable of frequency sharing with other systems and services e.g. short range s
5、ystems, certain radiolocation systems, the ked and fixed-satellite service and ISM, 2. for RTI applications below 10 GHz, 10 MHz will be required, with a possible extension of 10 h4i-k on a national basis, 3. CEPT Recommendation T/R 22-03 E designates the band 63-64 GHz for RTi applications, 4. the
6、fiequency band 76-81 GHz is allocated internationally on a primary basis to the radiolocation service, recommends that 1. CEPT Administrations should designate the band 5.795-5.805 GHz for initial road-tcwehicle systems, in particular road toll systems, with a maximum e.i.r.p. of 3 dBW, 2. an additi
7、onal sub-band (5.805-5.815 GHz) may be used on a national basis to meet the requirements of multi-lane road junctions, 3. all vehicle-to-vehicle RTI communications links should be developed in the band 63-64 GHz, 4. vehicular radar systems should be developed in the band 76-77 GHz, 5. in the develop
8、ment of RTI equipment, special attention should be given to compatibility with the equipment of other services.? Editionof A 15,1991 STD-CEPT TIR 22-04 E-ENGL 1991 2326434 0014b48 T94 T/R 2204 E Page: 1 Distribution: B Recommendstion T/R 22-04 (Lisbon 1991) HARMONISATION OF FREQUENCY BANDS FOR ROAD
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